The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ALPHABET INC CAP STKCL C COM 02079K107 49,649 24,001 SH   SOLE   24,001 0 0
ALPHABET INC CL A COM 02079K305 691 335 SH   SOLE   335 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW COM 084670702 26,257 102,781 SH   SOLE   102,781 0 0
COSTCO WHOLESALE CORP COM 22160K105 43,134 122,373 SH   SOLE   122,373 0 0
FASTENAL CO COM 311900104 25,646 510,063 SH   SOLE   510,063 0 0
ITAU UNIBANCO HLDG SA NS SPONSORED ADR REP ADR 465562106 10,184 2,053,125 SH   SOLE   2,053,125 0 0
MARKEL CORP COM 570535104 26,513 23,265 SH   SOLE   23,265 0 0
MARTIN MARIETTA MATLS INC COM 573284106 33,023 98,336 SH   SOLE   98,336 0 0